Tube cutter



FIG. 1 is a top plan view of a tube cutter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a rear elevational view of the tube cutter showing an alternate embodiment of my new design, all other views being identical to FIGS. 1-5. 

The ornamental design for a tube cutter, as shown and described. 